71721888

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 222929280

約数和(自身を除く): 151207392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 79, 84, 96, 98, 112, 147, 158, 168, 193, 196, 224, 237, 294, 316, 336, 386, 392, 474, 553, 579, 588, 632, 672, 772, 784, 948, 1106, 1158, 1176, 1264, 1351, 1544, 1568, 1659, 1896, 2212, 2316, 2352, 2528, 2702, 3088, 3318, 3792, 3871, 4053, 4424, 4632, 4704, 5404, 6176, 6636, 7584, 7742, 8106, 8848, 9264, 9457, 10808, 11613, 13272, 15247, 15484, 16212, 17696, 18528, 18914, 21616, 23226, 26544, 28371, 30494, 30968, 32424, 37828, 43232, 45741, 46452, 53088, 56742, 60988, 61936, 64848, 75656, 91482, 92904, 106729, 113484, 121976, 123872, 129696, 151312, 182964, 185808, 213458, 226968, 243952, 302624, 320187, 365928, 371616, 426916, 453936, 487904, 640374, 731856, 747103, 853832, 907872, 1280748, 1463712, 1494206, 1707664, 2241309, 2561496, 2988412, 3415328, 4482618, 5122992, 5976824, 8965236, 10245984, 11953648, 17930472, 23907296, 35860944, 71721888]

約数ペア:

[(1, 71721888), (2, 35860944), (3, 23907296), (4, 17930472), (6, 11953648), (7, 10245984), (8, 8965236), (12, 5976824), (14, 5122992), (16, 4482618), (21, 3415328), (24, 2988412), (28, 2561496), (32, 2241309), (42, 1707664), (48, 1494206), (49, 1463712), (56, 1280748), (79, 907872), (84, 853832), (96, 747103), (98, 731856), (112, 640374), (147, 487904), (158, 453936), (168, 426916), (193, 371616), (196, 365928), (224, 320187), (237, 302624), (294, 243952), (316, 226968), (336, 213458), (386, 185808), (392, 182964), (474, 151312), (553, 129696), (579, 123872), (588, 121976), (632, 113484), (672, 106729), (772, 92904), (784, 91482), (948, 75656), (1106, 64848), (1158, 61936), (1176, 60988), (1264, 56742), (1351, 53088), (1544, 46452), (1568, 45741), (1659, 43232), (1896, 37828), (2212, 32424), (2316, 30968), (2352, 30494), (2528, 28371), (2702, 26544), (3088, 23226), (3318, 21616), (3792, 18914), (3871, 18528), (4053, 17696), (4424, 16212), (4632, 15484), (4704, 15247), (5404, 13272), (6176, 11613), (6636, 10808), (7584, 9457), (7742, 9264), (8106, 8848)]